Finding the Fourth Proportional to 774,085,952.99, 1,068,204,155.66 and 452,243,751.12
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Solution
The fourth proportional to 774,085,952.99, 1,068,204,155.66 and 452,243,751.12 is: 624,076,244.32
Step by Step Solution
- Step 1: Write the proportion equation
774,085,952.99 : 1,068,204,155.66 = 452,243,751.12 : x - Step 2: Convert to fraction form
774,085,952.99/1,068,204,155.66 = 452,243,751.12/x - Step 3: Cross multiply
774,085,952.99x = 1,068,204,155.66 × 452,243,751.12 - Step 4: Simplify right side
774,085,952.99x = 483,088,654,319,640,640 - Step 5: Solve for x
x = 483,088,654,319,640,640/774,085,952.99 - Step 6: Final answer
x = 624,076,244.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.